Network World

Using the ss command on Linux to view details on sockets

To make the best use of the ss command, it’s important to understand what a socket is. A socket is a type of pseudo file (i.e., not an actual file) that represents a network connection. A socket ...
Linux Journal

Inside the Linux Packet Filter

Network geeks among you may remember my article, “Linux Socket Filter: Sniffing Bytes over the Network”, in the June 2001 issue of LJ, regarding the use of the packet filter built inside the Linux ...
Ars Technica

Properly sending data over sockets (C, Linux, Java)

I'm having some wierd issues with sockets.<BR><BR>I open the socket and stuff, and then write my string:<BR><pre>write(mySocket, myString, strlen(myString));</pre><BR ...
Linux Journal

Inside the Linux Packet Filter, Part II

In the last issue we started following a packet's journey from the wire up to the higher levels of network stack processing. We left the packet at the end of layer 3 processing, where IP has ...